Department of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chaingmai Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chaingmai Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chaingmai Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chaingmai Field Crops Research Center